Ask a New Question
Search
Questions and answers by
Jeannine
Questions (14)
If a man weighs 194 pounds and is 69 inches tall where is his center of gravity?
1 answer
520 views
(a) A truck of mass 1870 kg travelling at 80 km/h braked to 55 km/h then continued at that speed. How much work was done by the
0 answers
478 views
An egg is dropped from 75 cm, what velocity is egg at when it hits the floor.
What is the maximum height it can be dropped from
2 answers
549 views
I just want some help checking my homework...
Question: A care travelling at a velocity of 42ms-1 suddenly loses engine power and
3 answers
493 views
I would like to know about unions and what the role of the supervisor is when the union is planning to take complaints to
1 answer
982 views
The width of a rectangle is fixed at 7 cm. Determine (in terms of an inequality)those lengths for which the area will be less
2 answers
3,254 views
Bob..thank you very much for taking time with my question but I still don't seem to get it. the book answers are
a=672 N.m b=14.1
1 answer
513 views
a shaft rotation @ 800 rpm delivers a torque of 240 N.m to an output shaft that is rotating @ 200 rpm.
a. if the efficiency of
1 answer
563 views
A picture that measures 7 inches by 7 inches is being framed. The area of the frame is 32 square inches. What is the width of
2 answers
1,239 views
Find an expression for the area of a square with the given perimeter.
1. P= (12x+20y) in. 2. P= (36a-16b) cm.
2 answers
1,437 views
In basketball, a free throw is 1 point and a field goal is either 2 or 3 points. In a recent season, Tim Duncan of the San
3 answers
1,430 views
(a) Determine the amount of work (in joules) that must be done on a 104 kg payload to elevate it to a height of 993 km above the
1 answer
822 views
A circular blade on a radial arm saw is turning at 257 rad/s at the instant the motor is turned off. In 17.0 s the speed of the
0 answers
693 views
A 0.13 kg meter stick is held perpendicular to a wall by a 2.6 m string going from the wall to the far end of the stick.
(a) Find
0 answers
1,268 views
Answers (6)
I assume the answer is b. a week has 7 days so divide the 45 days... That gives you 6. Which means all 7 days of the week will have to be represented at least 6 times with three days appearing 7 times.
You have to take the 8.00 and divide by 50 pieces to get the price per piece. Then multiply by 20 to get the new price per box. Not sue what the second question is asking ? How many boxes will you have ? If that is the question then you must divide 50 by
Thanks again !
Thank you so much.... I got that wrong as didn't know whether to use the time... Got confused as the car was already moving .
Population mean = 14 Population standard deviation = 2.5 Margin error = 1/4 = 0.25 level of confidence = 0.95 z = 1.96 n =[(1.96*3)/0.25]^2 =553.19 =554
x+Y=-4 EQ1 x-y=12 EQ2 x=y+12 EQ3 put in the first equation x+y=-4 substitute equation 3 for x y+ (y+12)=-4 2y+12=-4 2y= -4-12 2y =-16 y= -16/2 y= -8 Put the new value of y in EQ3 x= y+12 x= -8+12 x= 4 so two numbers are 4 and -8
